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Finding the Third Proportional to 19,011 and 25,230

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Solution

The third proportional to 19,011 and 25,230 is: 33,483.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,011 : 25,230 = 25,230 : x
  2. Step 2: Convert to fraction form
    19,011/25,230 = 25,230/x
  3. Step 3: Cross multiply
    19,011x = 25,230 × 25,230
  4. Step 4: Simplify right side
    19,011x = 636,552,900
  5. Step 5: Solve for x
    x = 636,552,900/19,011
  6. Step 6: Final answer
    x = 33,483.40

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.